Examples are disclosed herein related to tracking poses of a head-mounted display device that interfaces with handheld peripheral objects. One disclosed example provides a handheld object configured for providing user input to a head-mounted device, the handheld object including a body, a plurality of visible light sources arranged on the body in an arrangement trackable by a vision system of the head-mounted device, and a controller configured to control a brightness of one or more visible light sources of the plurality of visible light sources.
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1. A handheld object configured for providing user input to a head-mounted device, the handheld object comprising: a body; a plurality of visible light sources arranged on the body in an arrangement trackable by a vision system of the head-mounted device; and a controller configured to receive from an external device a control signal, and based on the control signal received from the external device, control a brightness of one or more visible light sources of the plurality of visible light sources.
A handheld object is designed to provide user input to a head-mounted device, such as a virtual reality or augmented reality headset. The device addresses the challenge of accurately tracking handheld controllers in dynamic environments where traditional tracking methods, like infrared markers or inertial sensors, may be unreliable. The handheld object includes a body with multiple visible light sources arranged in a pattern that can be tracked by the head-mounted device's vision system. These light sources are controlled by an onboard controller, which receives signals from an external device, such as a computer or gaming console, to adjust the brightness of one or more light sources. This dynamic control allows the system to enhance tracking accuracy, reduce interference, and improve user interaction by selectively activating or dimming lights based on the application's needs. The arrangement of the light sources ensures that the head-mounted device can reliably detect and interpret the handheld object's position and orientation, even in varying lighting conditions. The controller's ability to respond to external signals enables real-time adjustments, making the system adaptable for different use cases, such as gaming, navigation, or industrial applications.
2. The handheld object of claim 1 , wherein the controller is configured to control a brightness of one or more visible light sources based on a signal from the head-mounted device.
A handheld device is designed to interact with a head-mounted device, such as a virtual reality or augmented reality headset, to enhance user experience. The device includes a controller that adjusts the brightness of one or more visible light sources in response to signals received from the head-mounted device. This allows the handheld device to dynamically modify its lighting output based on the head-mounted device's state, such as whether it is actively tracking the user's movements or displaying content. The brightness control ensures optimal visibility and reduces distractions, improving usability in various environments. The handheld device may also include additional features, such as input mechanisms for user interaction, sensors for environmental or positional data, and communication interfaces to exchange data with the head-mounted device. The system enables seamless integration between the handheld device and the head-mounted device, enhancing immersion and functionality in applications like gaming, training, or navigation. The brightness adjustment can be automated or user-configurable, ensuring adaptability to different use cases and preferences.
3. The handheld object of claim 1 , wherein the controller is configured to control a brightness of one or more visible light sources based on signal from a local motion sensor signal.
A handheld device includes a controller that adjusts the brightness of one or more visible light sources in response to motion detected by a local motion sensor. The device may be a portable lighting tool, such as a flashlight or lantern, designed to automatically regulate illumination based on user movement or environmental conditions. The motion sensor detects changes in position or acceleration, and the controller processes this input to dynamically modify the light output. For example, the brightness may increase when motion is detected, indicating active use, and decrease or turn off when no motion is sensed to conserve power. The system may also include additional features, such as adjustable brightness settings, multiple lighting modes, or integration with other sensors like ambient light detectors to further optimize performance. The invention aims to enhance user convenience and energy efficiency by providing adaptive lighting that responds to real-time motion data.
4. The handheld object of claim 1 , wherein the controller is configured to control a brightness of one or more visible light sources by changing a duty cycle for the one or more visible light sources.
A handheld device includes a controller that regulates the brightness of one or more visible light sources by adjusting their duty cycle. The device may also incorporate a power source, such as a battery, to supply energy to the light sources and the controller. The controller is designed to modulate the duty cycle, which determines the proportion of time the light sources are active within a given period, thereby controlling their brightness. This approach allows for precise and energy-efficient illumination adjustments. The handheld device may further include additional components, such as sensors or user interfaces, to enable interaction with the environment or user inputs. The controller may also be configured to process signals from these components to dynamically adjust the light output based on external conditions or user preferences. The overall system ensures adaptable and efficient lighting control in a portable form factor.
5. The handheld object of claim 4 , wherein the controller is configured to change the duty cycle at a sufficient rate to hide flicker from the human eye.
A handheld device includes a controller that adjusts the duty cycle of an output signal to control the operation of a component, such as a motor or actuator. The controller modifies the duty cycle at a rate fast enough to prevent visible flicker in the output, ensuring smooth and continuous operation. This is particularly useful in applications where rapid, precise control is required, such as in portable tools, medical devices, or consumer electronics. The duty cycle adjustment may be based on input signals, feedback from sensors, or predefined parameters, allowing for dynamic and responsive control. The device may also include additional features such as user interfaces, power management systems, or communication modules to enhance functionality. The rapid duty cycle modulation ensures that any variations in the output are imperceptible to the human eye, improving user experience and device performance.
6. The handheld object of claim 1 , wherein the controller is configured to control a brightness of one or more visible light sources by applying a same pulse-width modulation change to all of the plurality of visible light sources.
A handheld device includes a controller that regulates the brightness of multiple visible light sources by applying a uniform pulse-width modulation (PWM) adjustment to all of them simultaneously. The device may be used in applications requiring synchronized light output, such as portable lighting systems, display backlights, or signaling devices. The controller ensures consistent brightness changes across all light sources, preventing uneven illumination or flickering. This approach simplifies control circuitry by avoiding individual adjustments for each light source, reducing complexity and cost. The device may also include additional features like motion sensors, wireless communication, or user interfaces to enhance functionality. The uniform PWM control allows for precise and synchronized brightness adjustments, improving user experience and energy efficiency. This technology addresses the need for reliable, low-power lighting solutions in portable devices where consistent illumination is critical.
7. The handheld object of claim 1 , wherein the controller is configured to control a brightness of the one or more visible light sources by applying different pulse-width modulation change to different visible light sources.
This invention relates to a handheld device with adjustable visible light sources, addressing the need for precise and independent control of brightness levels in portable lighting systems. The device includes a controller that regulates the brightness of multiple visible light sources by applying distinct pulse-width modulation (PWM) adjustments to each source. This allows for fine-tuned brightness control, enabling users to customize illumination levels for different light sources independently. The controller can dynamically adjust the PWM duty cycle for each light source, ensuring smooth and responsive brightness changes. The handheld device may also incorporate additional features such as motion sensors, touch interfaces, or wireless connectivity to enhance user interaction. The invention improves upon existing portable lighting solutions by providing granular control over individual light sources, making it suitable for applications requiring variable lighting conditions, such as medical devices, inspection tools, or consumer electronics. The system ensures energy efficiency and longevity by optimizing PWM-based brightness adjustments, reducing unnecessary power consumption while maintaining desired illumination levels.
8. The handheld object of claim 1 , wherein the controller is configured to control a brightness of the one or more visible light sources by turning off some visible light sources of the plurality of visible light sources and illuminating other visible light sources of the plurality of visible light sources.
Handheld devices often require adjustable lighting for various applications, such as flashlights, indicators, or signaling. A common challenge is achieving precise brightness control while maintaining energy efficiency and simplicity. This invention addresses this by providing a handheld object with a plurality of visible light sources and a controller that dynamically adjusts brightness by selectively turning off some light sources while illuminating others. The controller modulates brightness by activating or deactivating individual light sources in the array, rather than dimming all sources uniformly. This approach allows for discrete brightness levels without the need for complex dimming circuits or power-hungry continuous dimming. The system can be applied to flashlights, emergency lights, or other portable lighting devices where adjustable brightness is needed. The selective activation of light sources also enables energy savings by reducing power consumption when lower brightness is sufficient. The invention improves upon traditional dimming methods by providing a more efficient and cost-effective solution for brightness control in handheld devices.
9. A head-mounted device, comprising: an image sensor; a logic device configured to execute instructions; and a storage device comprising instructions executable by the logic device to receive image data from the image sensor, in the image data, detect a set of light sources of a plurality of visible light sources arranged on a handheld object, and send a control signal to the handheld object to modulate a brightness of one or more light sources of the plurality of light sources, the control signal being configured to apply different brightnesses to two or more visible light sources based on differences in locations of the two or more visible light sources on the handheld object.
A head-mounted device includes an image sensor, a logic device, and a storage device with executable instructions. The device captures image data using the image sensor and processes it to detect a set of light sources arranged on a handheld object. The device then sends a control signal to the handheld object to adjust the brightness of one or more of these light sources. The control signal applies different brightness levels to at least two light sources based on their positions on the handheld object. This system enables dynamic modulation of light sources to enhance tracking, interaction, or visual feedback in applications such as augmented reality, gaming, or user interface control. The handheld object may include multiple visible light sources, and the head-mounted device differentiates between them to apply location-specific brightness adjustments. This approach improves precision in tracking or communication between the head-mounted device and the handheld object.
10. The head-mounted device of claim 9 , wherein the control signal is determined based on an apparent brightness of one or more of the light sources of the set of light sources in the image data.
A head-mounted device is designed to enhance visual perception by dynamically adjusting light sources based on environmental conditions. The device includes a set of light sources and a camera system that captures image data of the environment. The device determines a control signal to adjust the light sources, where the control signal is based on the apparent brightness of one or more light sources detected in the image data. This adjustment ensures optimal illumination for the user, improving visibility and reducing glare. The device may also include a processor to analyze the image data and generate the control signal, as well as a communication interface to transmit the signal to the light sources. The light sources may be arranged in a pattern to provide uniform or targeted illumination, and the device may further include sensors to detect environmental factors such as ambient light levels. The system dynamically responds to changes in the environment, ensuring consistent visual performance for the user.
11. The head-mounted device of claim 9 , wherein the control signal is determined based upon one or more of a distance of the handheld object from head-mounted device and an angular location of the handheld object in a field of view of the image sensor.
A head-mounted device includes an image sensor configured to capture images of a handheld object within a field of view. The device determines a control signal based on the distance of the handheld object from the head-mounted device and the angular location of the handheld object within the field of view. This control signal is used to adjust one or more operational parameters of the head-mounted device, such as display settings, audio output, or other functions. The device may also include a processor to analyze the captured images and calculate the distance and angular position of the handheld object relative to the head-mounted device. The system enables intuitive interaction by allowing users to manipulate the device's functions through gestures or movements of the handheld object within the sensor's field of view. This approach enhances user control and accessibility by providing a responsive interface that adapts to the object's position and proximity. The technology addresses the need for more natural and efficient human-computer interaction in wearable devices, particularly in scenarios where traditional input methods are impractical.
12. The head-mounted device of claim 9 , wherein the control signal is based on an orientation of the handheld object relative to the head-mounted device.
A head-mounted device includes a tracking system that monitors the position and orientation of a handheld object relative to the device. The device generates a control signal based on the detected orientation of the handheld object, enabling interaction with virtual or augmented reality environments. The tracking system may use sensors such as cameras, inertial measurement units, or other position-sensing technologies to determine the handheld object's spatial relationship to the head-mounted device. The control signal adjusts the display or functionality of the head-mounted device in response to the handheld object's movement, allowing for intuitive user input. This system enhances user interaction by translating physical gestures into digital commands, improving precision and responsiveness in virtual reality applications. The handheld object may be a controller, stylus, or other input device, and the orientation data is processed to generate real-time feedback for the user. The invention addresses the need for more natural and accurate input methods in immersive computing environments, reducing latency and improving user experience.
13. The head-mounted device of claim 9 , wherein the control signal is configured to apply a same change in brightness to all visible light sources of the plurality of visible light sources.
A head-mounted device includes a plurality of visible light sources and a control system that adjusts the brightness of these light sources. The device is designed to address the problem of inconsistent or uneven lighting in augmented reality (AR) or virtual reality (VR) environments, which can cause visual discomfort or reduce the realism of the displayed content. The control system generates a control signal that uniformly adjusts the brightness of all visible light sources simultaneously. This ensures that the lighting conditions remain balanced across the field of view, enhancing visual comfort and maintaining the intended visual experience. The device may also include additional features such as sensors to detect ambient light conditions or user preferences, allowing the brightness adjustments to be dynamically optimized for different environments or user needs. The uniform brightness control helps prevent flickering or uneven illumination, which can be distracting in immersive applications. The system may be integrated into AR glasses, VR headsets, or other wearable displays where consistent lighting is critical for user experience.
14. The head-mounted device of claim 9 , wherein the control signal is configured to turn off a subset of visible light sources and illuminate other visible light sources of the plurality of visible light sources based upon the subset being out of view of the image sensor.
This invention relates to head-mounted devices equipped with multiple visible light sources and an image sensor, addressing the challenge of optimizing power consumption and illumination in augmented reality (AR) or virtual reality (VR) applications. The device includes a plurality of visible light sources arranged to illuminate a field of view and an image sensor that captures images of the environment. The system dynamically adjusts illumination by generating a control signal that selectively turns off a subset of visible light sources that are out of view of the image sensor while keeping other visible light sources active. This ensures that only the necessary light sources are powered, reducing energy consumption without compromising the quality of the captured images. The control signal is generated based on the relative positions of the light sources and the image sensor's field of view, ensuring efficient illumination for the sensor's active capture area. This approach enhances battery life and performance in wearable devices by minimizing unnecessary power usage while maintaining optimal lighting conditions for imaging tasks.
15. A handheld object configured for providing user input to a head-mounted device, the handheld object comprising: a body; an inertial motion sensor configured to provide a motion signal related to changes in position and orientation of the handheld object; a plurality of visible light sources arranged on the body in an arrangement trackable by a vision system of the head-mounted device; and a controller configured to control a brightness of one or more visible light sources of the plurality of visible light sources based at least on the motion signal, and apply different brightnesses to two or more visible light sources based on differences in locations of the two or more visible light sources on the handheld object.
A handheld object is designed to provide user input to a head-mounted device, addressing the need for precise and intuitive interaction in augmented or virtual reality environments. The device includes a body housing an inertial motion sensor that detects changes in position and orientation, generating a motion signal. Multiple visible light sources are arranged on the body in a configuration that can be tracked by the head-mounted device's vision system. A controller adjusts the brightness of these light sources based on the motion signal, ensuring accurate tracking. The controller also applies varying brightness levels to different light sources depending on their locations on the handheld object, enhancing tracking accuracy and reducing ambiguity in position detection. This dynamic brightness control improves the reliability of motion tracking, particularly in complex environments where lighting conditions may vary. The system enables seamless integration with head-mounted displays, providing users with responsive and accurate input for virtual or augmented reality applications.
16. The handheld object of claim 15 , wherein the controller is further configured to control a brightness of one or more visible light sources based on a signal from the head-mounted device.
A handheld object is designed to interact with a head-mounted device, such as a virtual reality (VR) or augmented reality (AR) headset, to enhance user experience. The device includes a controller that adjusts the brightness of one or more visible light sources in response to signals from the head-mounted device. This allows dynamic control of lighting conditions, improving visibility and reducing eye strain during extended use. The handheld object may also incorporate additional features, such as haptic feedback or gesture recognition, to provide a more immersive interaction. The system ensures seamless synchronization between the handheld device and the head-mounted display, optimizing performance for applications like gaming, training, or industrial tasks. The brightness adjustment can be automated based on environmental conditions or user preferences, ensuring adaptability across different scenarios. This invention addresses the need for improved user comfort and functionality in wearable technology by integrating responsive lighting control into handheld accessories.
17. The handheld object of claim 15 , wherein the controller is configured to control a brightness of one or more visible light sources by changing a duty cycle of power provided to each of the one or more visible light sources.
This invention relates to a handheld object with integrated visible light sources, addressing the need for efficient and adjustable lighting control in portable devices. The handheld object includes a controller that regulates the brightness of one or more visible light sources by modulating the duty cycle of the power supplied to each light source. This method of brightness control allows for precise and energy-efficient illumination adjustments. The handheld object may also incorporate additional features such as a housing, a power source, and a user interface for controlling the light sources. The controller dynamically adjusts the duty cycle to achieve desired brightness levels, ensuring optimal power usage while maintaining consistent light output. This approach is particularly useful in devices where power efficiency and adjustable lighting are critical, such as portable lighting tools, medical devices, or consumer electronics. The invention provides a simple yet effective way to manage light intensity without requiring complex circuitry or additional components.
18. The handheld object of claim 15 , wherein the controller is configured to control a brightness of one or more visible light sources by turning off a subset of visible light sources of the plurality of visible light sources while illuminating another subset of visible light sources of the plurality of visible light sources.
A handheld device includes a plurality of visible light sources and a controller that regulates their brightness by selectively activating or deactivating subsets of these light sources. The device is designed to adjust illumination levels by turning off one group of light sources while keeping another group illuminated, allowing for dynamic brightness control without requiring individual dimming of each light source. This approach enables efficient power management and precise light output modulation, addressing the need for adjustable lighting in portable devices where power consumption and compact design are critical. The controller may also incorporate additional features, such as detecting environmental conditions or user inputs, to determine the optimal lighting configuration. The system ensures uniform or patterned illumination by strategically activating different subsets of light sources, enhancing usability in various lighting scenarios. This method improves energy efficiency and reduces thermal load compared to traditional dimming techniques, making it suitable for applications where battery life and thermal management are priorities.
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November 29, 2017
December 3, 2019
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